Soviet LENS Tair-3 - 4.5/300mm,
Rare Vintage Tele Lens M42 

TAIR-3 was developed in 1943 by the Soviet optician D.S. Volosov and was originally intended for military photographic reconnaissance. In fact, “FS-2” was originally the name of the entire kit, which consisted of a special FED camera, a wooden stock, a mirror attachment and a lens. 
                                                             
Features:
Focal Lenght : 300mm
Filter Size : 72mm
F-Stop Range : 4.5 - 22
Resolution (Center/Edge) :45/25 Line per mm
Groups/Elements 3/4 
Cosmetic condition: see photos

Сondition

The lens is in good working order. Fully functional. The glasses are clean and transparent, no chips or scratches. No fungus or dust inside. (See photo).

                                                      
Please any questions!

Have a nice day!